Home / 406,580.18-561,092.96-225,275.15

Finding the Fourth Proportional to 406,580.18, 561,092.96 and 225,275.15

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Solution

The fourth proportional to 406,580.18, 561,092.96 and 225,275.15 is: 310,886.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,580.18 : 561,092.96 = 225,275.15 : x
  2. Step 2: Convert to fraction form
    406,580.18/561,092.96 = 225,275.15/x
  3. Step 3: Cross multiply
    406,580.18x = 561,092.96 × 225,275.15
  4. Step 4: Simplify right side
    406,580.18x = 126,400,300,727.94
  5. Step 5: Solve for x
    x = 126,400,300,727.94/406,580.18
  6. Step 6: Final answer
    x = 310,886.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.